HK

Hiroyuki Kato

Mitsubishi Electric: 39 patents #255 of 25,717Top 1%
TK Toshiba Tec Kabushiki Kaisha: 34 patents #62 of 1,664Top 4%
KT Kabushiki Kaisha Toshiba: 30 patents #831 of 21,451Top 4%
SC Stanley Electric Co.: 29 patents #9 of 1,072Top 1%
Brother Kogyo: 18 patents #491 of 2,767Top 20%
Casio Computer Co.: 15 patents #134 of 1,970Top 7%
TC Toppan Printing Co.: 14 patents #19 of 1,467Top 2%
NE Newfrey: 14 patents #15 of 476Top 4%
EB Ebara: 11 patents #200 of 1,611Top 15%
YA Yazaki: 9 patents #495 of 3,427Top 15%
SC Shinko Electric Industries Co.: 9 patents #93 of 723Top 15%
MM Minebea Mitsumi: 8 patents #32 of 442Top 8%
HS Hitachi Automotive Systems: 8 patents #192 of 1,636Top 15%
UK Ueno Seiyaku Oyo Kenkyujo: 7 patents #11 of 76Top 15%
OM Omron: 6 patents #499 of 3,089Top 20%
TO Toyota: 5 patents #5,641 of 26,838Top 25%
NC Nkk Co.: 4 patents #135 of 1,173Top 15%
PE Pentax: 4 patents #304 of 761Top 40%
YJ Yahoo Japan: 4 patents #15 of 217Top 7%
UI Ueno Fine Chemicals Industry: 4 patents #2 of 50Top 4%
KS Kobe Steel: 4 patents #205 of 2,031Top 15%
HL Harison Toshiba Lighting: 4 patents #12 of 82Top 15%
AM Asahi Kasei Microdevices: 3 patents #45 of 231Top 20%
NE Nec: 3 patents #4,195 of 14,502Top 30%
Fujitsu Limited: 3 patents #8,614 of 24,456Top 40%
SE Seiko Epson: 3 patents #3,864 of 7,774Top 50%
TC Toagosei Chemical Industry Co.: 3 patents #11 of 115Top 10%
UN Unknown: 3 patents #7,366 of 83,584Top 9%
Sharp Kabushiki Kaisha: 3 patents #4,164 of 10,731Top 40%
TT Toshiba Lighting & Technology: 3 patents #153 of 486Top 35%
Bridgestone: 3 patents #795 of 2,860Top 30%
AC Aisin Ai Co.: 2 patents #28 of 119Top 25%
AC Akebono Brake Industry Co.: 2 patents #120 of 376Top 35%
TS Takai Rika Denki Seisakusho: 2 patents #10 of 190Top 6%
EM Emhart: 2 patents #94 of 338Top 30%
EI Eisai: 2 patents #451 of 998Top 50%
AC Ajinomoto Co.: 2 patents #796 of 2,190Top 40%
DC Daiwa Can: 2 patents #46 of 181Top 30%
YA Yamatake: 1 patents #76 of 243Top 35%
YC Yoshino Kogyosho Co.: 1 patents #202 of 361Top 60%
KS Kobe Steel: 1 patents #937 of 1,773Top 55%
Aisin Seiki Kabushiki Kaisha: 1 patents #2,094 of 3,782Top 60%
AC Alps Alpine Co.: 1 patents #246 of 525Top 50%
AK Araco Kabushiki Kaisha: 1 patents #30 of 107Top 30%
AC Asahi Glass Co.: 1 patents #1,233 of 2,251Top 55%
AK Asahi Kasei Kabushiki Kaisha: 1 patents #556 of 1,220Top 50%
AK Asahi Kogaku Kogyo K.K.: 1 patents #76 of 180Top 45%
AK Asashi Kogaku Kogyo Kabushiki Kaisha: 1 patents #2 of 11Top 20%
AC Asia Industry Co.: 1 patents #3 of 25Top 15%
CI Chubu Electric Power Company, Incorporated: 1 patents #104 of 314Top 35%
DC Dai Nippon Toryo Co.: 1 patents #73 of 196Top 40%
DC Daido Steel Co.: 1 patents #95 of 272Top 35%
FL Fujitsu Microelectronics Limited: 1 patents #212 of 624Top 35%
HU Hirosaki University: 1 patents #21 of 81Top 30%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
HP Hokuriku Electric Power: 1 patents #11 of 52Top 25%
HK Honda Giken Kogyo K.K.: 1 patents #97 of 311Top 35%
KT Kanagawa Academy Of Science And Technology: 1 patents #44 of 105Top 45%
KE Keihin: 1 patents #237 of 596Top 40%
AC Advics Co.: 1 patents #370 of 686Top 55%
MI Mitsuba: 1 patents #291 of 618Top 50%
NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%
OC Olympus Optical Co.: 1 patents #1,517 of 2,334Top 65%
OC Ono Pharmaceutical Co.: 1 patents #329 of 559Top 60%
OU Osaka University: 1 patents #681 of 1,984Top 35%
OF Otsuka Pharmaceutical Factory: 1 patents #128 of 354Top 40%
RI Rinnai: 1 patents #85 of 173Top 50%
TC Taiyo Kagaku Co.: 1 patents #46 of 128Top 40%
TC Taoka Chemical Co.: 1 patents #26 of 69Top 40%
CC Chugoku Electric Power Co.: 1 patents #53 of 143Top 40%
TP The Japan Atomic Power: 1 patents #5 of 44Top 15%
TC Tohoku Electric Power Company: 1 patents #65 of 246Top 30%
TU Tohoku University: 1 patents #615 of 1,680Top 40%
TC Tokyo Denpa Co.: 1 patents #3 of 21Top 15%
TI Tokyo Electric Power Company Holdings, Incorporated: 1 patents #245 of 711Top 35%
T( Toray Plastics (America): 1 patents #56 of 102Top 55%
WI Wako Pure Chemical Industries: 1 patents #164 of 377Top 45%
📍 Tokyo, MI: #2 of 74 inventorsTop 3%
Overall (All Time): #1,144 of 4,157,543Top 1%
314
Patents All Time

Issued Patents All Time

Showing 251–275 of 314 patents

Patent #TitleCo-InventorsDate
6451109 Columnar crystals of 6-hydroxy-2-naphthoic acid and process for manufacturing the same Ryuzo Ueno, Masaya Kitayama, Ryoichi Otsuka 2002-09-17
6403827 Crystal of 2-hydroxynaphthalene-3-carboxylic acid and process for the preparation thereof Ryuzo Ueno, Masaya Kitayama, Nobutaka Izumichi 2002-06-11
6336901 Sphygmomanometer cuff achieving precise measurement of blood pressure Kazunobu Itonaga, Takahide Tanaka, Hironori Sato 2002-01-08
6220643 Mounting structure for automobile footrest 2001-04-24
6205625 Weld stud 2001-03-27
6201904 Optical demultiplex circuit 2001-03-13
6139631 Crystal growth method and apparatus 2000-10-31
6141111 Image printing system and image printing method 2000-10-31
6136455 Coating composition for precoated steel sheet, precoated steel sheet, and process for preparing the same Takashi Anyashiki, Keiji Yoshida, Masaru Sagiyama, Masaaki Yamashita, Yasuyuki Kajita +5 more 2000-10-24
6126161 Sheet feeder having improved sheet separation regardless of rigidity and size of sheet 2000-10-03
6081367 Optical filter module and optical amplifier using the same Jun Yokoyama 2000-06-27
6060805 Canned motor Koichi Ohtake, Tetsuya Hiramatsu, Shuichiro Honda 2000-05-09
6057624 Canned motor with stator can reinforcement Koichi Ohtake, Tetsuya Hiramatsu, Shuichiro Honda 2000-05-02
6048119 Sheet discharge mechanism and apparatus incorporating the same Yasuhito Bandai 2000-04-11
6041119 Handset detection device for use in telephones Masahiko Sasa 2000-03-21
5978104 Sheet discharge mechanism and apparatus incorporating the same Takashi Ohama 1999-11-02
5947465 Sheet-supply device having a drive force transmission mechanism Akira Sago 1999-09-07
5947684 Turbomachinery Shuichiro Honda 1999-09-07
5927941 High-temperature motor pump Shuichiro Honda 1999-07-27
5895039 Sheet-supply device Fumikazu Sato 1999-04-20
5884908 Sheet-supply device 1999-03-23
5882182 High-temperature motor pump and method for operating thereof Shuichiro Honda 1999-03-16
5876032 Sheet feeder and printer 1999-03-02
5857671 Sheet feeder having improved sheet separation regardless of rigidity and size of sheet Takatoshi Takemoto 1999-01-12
5856835 Ink jet print recording apparatus having a single sensor controlling paper feed and print head recovery Takaichiro Umeda 1999-01-05